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75006503 = 1113524521
BaseRepresentation
bin1000111100010…
…00001000100111
312020010201120122
410132020020213
5123200202003
611235352155
71600354565
oct436101047
9166121518
1075006503
1139380550
122115265b
1312702560
149d66a35
1568b9238
hex4788227

75006503 has 8 divisors (see below), whose sum is σ = 88119696. Its totient is φ = 62942400.

The previous prime is 75006493. The next prime is 75006517. The reversal of 75006503 is 30560057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75006503 - 214 = 74990119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75006583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262118 + ... + 262403.

It is an arithmetic number, because the mean of its divisors is an integer number (11014962).

Almost surely, 275006503 is an apocalyptic number.

75006503 is a deficient number, since it is larger than the sum of its proper divisors (13113193).

75006503 is a wasteful number, since it uses less digits than its factorization.

75006503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524545.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 75006503 is about 8660.6294805863. The cubic root of 75006503 is about 421.7285208378.

The spelling of 75006503 in words is "seventy-five million, six thousand, five hundred three".

Divisors: 1 11 13 143 524521 5769731 6818773 75006503